. >> rwanda has rejected a report that says it was involved in the rebel goma capture rebel in congo -- the democratic republic of congo. the drc is now back in control -- control. in the uk, starbucks says it will start paying corporation tax. the company has nearly 1/3 of the uk coffee shop market, but has only paid the tax once in the past 15 years. starbucks has been stung by public criticism of its actions. you're watching "bbc world news america." still to come on tonight's program, nearly 25 years after a deadly gas attack, one kurdish town is still trying to identify the scores of people who died. to japan now, where the authorities are trying to figure out how tunnel collapsed on sunday, killing at least nine people. huge concrete slabs in the tunnel smashed on to cars. that started a fire on the main route from tokyo to central japan. we report now on that story. >> only this morning, the mangled wreckage of three vehicles was brought -- early this morning, the mangled wreckage of three vehicles was brought from the tunnel. last came a small delivery truck. the driver had b